- Foods with bright, rich colors are more than just nice to look at. They're also packed with flavonoids and carotenoids, powerful compounds that bind the damaging free radicals in your body, lowering inflammation.- Push out your bellows and suck air through your nose until your lungs are full. They'll fill with nitric oxide, a chemical found in the back of your nose that opens up blood vessels. The dose of oxygen will make you feel happier and more alert. This is my secret technique for calming down before a show or a tough stitch in the OR.